384
FNCA52 TJSJ 180930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
530 AM AST MON OCT 18 2021
DISCUSSION
THE KBDI WAS JUST BELOW CRITICAL FIRE WEATHER
LEVELS AT GUANICA(549), AND WELL BELLOW THRESHOLDS VALUES AT CAMP
SANTIAGO(383) AND CABO ROJO(464). THE 10-HR FUEL MOISTURE CONTENT
REMAINS BETWEEN 11-12% ACROSS ALL SITES. LIGHT WINDS ARE EXPECTED
ONCE AGAIN TODAY, THEREFORE, THE FIRE DANGER REMAINS LOW ALONG THE
SOUTHERN COASTAL PLAINS.
PRZ014-190930-
SOUTHEAST COASTAL PLAINS-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 10 60
TEMP (24H TREND) 89 (0) 74 (-1) 89
RH % (24H TREND) 60 (-3) 88 (-4) 59
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR SE 5
MIXING HGT(FT-AGL/MSL)4353 4564
TRANSPORT WND (MPH) E 3 E 6
VENT RATE (KT-FT) 16232 31901
DISPERSION 5 5
DSI 5 1 5
LAL 3 1 3
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ015-190930-
SOUTHERN HILLS-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 80 10 60
TEMP (24H TREND) 87 (+1) 72 (0) 88
RH % (24H TREND) 60 (-2) 91 (-5) 58
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(FT-AGL/MSL)4914 5515
TRANSPORT WND (MPH) E 3 E 5
VENT RATE (KT-FT) 17460 28269
DISPERSION 5 5
DSI 4 1 5
LAL 3 2 3
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ016-190930-
NORTH COASTAL PLAINS-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 30
TEMP (24H TREND) 89 (+1) 76 (+1) 87
RH % (24H TREND) 62 (-5) 89 (-7) 61
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 6
MIXING HGT(FT-AGL/MSL)4158 4671
TRANSPORT WND (MPH) NE 5 NE 8
VENT RATE (KT-FT) 17574 31540
DISPERSION 5 5
DSI 5 1 5
LAL 2 2 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ017-190930-
NORTHERN HILLS-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 10 50
TEMP (24H TREND) 87 (0) 73 (0) 86
RH % (24H TREND) 61 (-2) 91 (-4) 59
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(FT-AGL/MSL)5226 5120
TRANSPORT WND (MPH) E 3 E 6
VENT RATE (KT-FT) 16016 28824
DISPERSION 5 5
DSI 5 1 5
LAL 3 1 3
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ018-190930-
WEST COAST-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 80 10 80
TEMP (24H TREND) 88 (-1) 75 (+1) 88
RH % (24H TREND) 59 (-2) 87 (-9) 55
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(FT-AGL/MSL)4644 4781
TRANSPORT WND (MPH) SE 2 NE 5
VENT RATE (KT-FT) 13544 24091
DISPERSION 4 5
DSI 5 2 5
LAL 3 1 3
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ019-190930-
EASTERN INTERIOR-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 30 50
TEMP (24H TREND) 89 (+1) 72 (0) 88
RH % (24H TREND) 61 (-3) 96 (-3) 59
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 5
MIXING HGT(FT-AGL/MSL)4979 5631
TRANSPORT WND (MPH) NE 3 NE 7
VENT RATE (KT-FT) 16525 28920
DISPERSION 5 5
DSI 5 1 5
LAL 3 2 3
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ022-190930-
LUQUILLO MOUNTAIN RANGE-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 40 40
TEMP (24H TREND) 86 (+2) 69 (-3) 85
RH % (24H TREND) 62 (-6) 98 (+1) 62
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR E 6
MIXING HGT(FT-AGL/MSL)4174 4775
TRANSPORT WND (MPH) NE 3 NE 6
VENT RATE (KT-FT) 13745 25589
DISPERSION 4 5
DSI 5 1 5
LAL 3 2 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ023-190930-
CENTRAL MOUNTAIN RANGE-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 80 0 70
TEMP (24H TREND) 87 (+1) 69 (-1) 88
RH % (24H TREND) 60 (0) 92 (-4) 57
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR
MIXING HGT(FT-AGL/MSL)5428 5571
TRANSPORT WND (MPH) E 2 NE 3
VENT RATE (KT-FT) 10856 22284
DISPERSION 4 5
DSI 4 1 5
LAL 3 1 3
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ024-190930-
CAYEY MOUNTAIN RANGE-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 30 50
TEMP (24H TREND) 87 (+2) 71 (0) 85
RH % (24H TREND) 63 (-2) 93 (-7) 64
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR E 5
MIXING HGT(FT-AGL/MSL)4366 5207
TRANSPORT WND (MPH) E 3 NE 7
VENT RATE (KT-FT) 17599 29514
DISPERSION 5 5
DSI 5 1 5
LAL 3 2 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ025-190930-
VIEQUES-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 50 50
TEMP (24H TREND) 88 (-1) 77 (+2) 89
RH % (24H TREND) 60 (-3) 89 (-7) 59
20FTWND-VAL/AM(MPH) LGT/VAR NE 6
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR E 7
MIXING HGT(FT-AGL/MSL)3217 3478
TRANSPORT WND (MPH) E 7 E 8
VENT RATE (KT-FT) 19290 27655
DISPERSION 5 5
DSI 6 4 6
LAL 3 2 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ026-190930-
CULEBRA-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 50 50
TEMP (24H TREND) 88 (0) 78 (0) 90
RH % (24H TREND) 59 (-5) 88 (-2) 58
20FTWND-VAL/AM(MPH) LGT/VAR E 6
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR E 7
MIXING HGT(FT-AGL/MSL)3167 3507
TRANSPORT WND (MPH) E 6 E 8
VENT RATE (KT-FT) 15835 24549
DISPERSION 4 5
DSI 6 4 6
LAL 3 2 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ027-190930-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 10 80
TEMP (24H TREND) 89 (+1) 75 (+1) 89
RH % (24H TREND) 60 (-2) 87 (-10) 56
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR SE 5
MIXING HGT(FT-AGL/MSL)4632 4894
TRANSPORT WND (MPH) SE 3 E 3
VENT RATE (KT-FT) 16536 20536
DISPERSION 5 5
DSI 5 2 5
LAL 3 2 3
HAINES INDEX 3 3 3
REMARKS...NONE.
VIZ001-190930-
SAINT THOMAS AND SAINT JOHN-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 50 50
TEMP (24H TREND) 88 (+3) 75 (-4) 89
RH % (24H TREND) 61 (-9) 94 (+7) 59
20FTWND-VAL/AM(MPH) LGT/VAR E 6
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR E 8
MIXING HGT(FT-AGL/MSL)3155 3479
TRANSPORT WND (MPH) E 6 E 8
VENT RATE (KT-FT) 15775 27248
DISPERSION 4 5
DSI 6 4 6
LAL 3 2 2
HAINES INDEX 3 3 3
REMARKS...NONE.
VIZ002-190930-
ST CROIX-
530 AM AST MON OCT 18 2021
TODAY TONIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 50 50
TEMP (24H TREND) 89 (+2) 74 (0) 88
RH % (24H TREND) 60 (-7) 98 (+1) 61
20FTWND-VAL/AM(MPH) LGT/VAR E 7
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR E 8
MIXING HGT(FT-AGL/MSL)4085 4550
TRANSPORT WND (MPH) E 3 E 9
VENT RATE (KT-FT) 12255 36400
DISPERSION 4 5
DSI 5 3 6
LAL 2 2 2
HAINES INDEX 3 3 3
REMARKS...NONE.
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